71. A body is thrown vertically upward with velocity 4 m/s from ground, the displacement of the body at the end of 0.8 seconds neglecting air friction is 2Take g 10 m/ s . (A) 1 m (B) 0.8 m (C) 0 (D) 2 m
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Answer:
g = -10m/s square
s = ut + 1/2gtt
s = 4 x 0.8 + 1/2 x 0.8 x 0.8
s = 3.2 - 3.2
s = 0
Explanation:
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